Manufacturing of pneumatic tools, motorcycle clutches, and mechanical parts; processing: motorcycle parts, auto parts (excluding engines), gas appliances; sales: motorcycle parts, auto parts (excluding engines); polishing, laminate processing; business information consulting; metal product processing (excluding metal cans for high-pressure storage); import and export of goods and technology; machine tool manufacturing, and automobile transmission manufacturing and sales. (The above business items that are prohibited by laws and regulations are not allowed to operate; those that are required to be approved by laws and regulations are not allowed to be operated before approval is obtained).